Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,292",
      "signature": "0x94e8466950e9302acb15823898e9be87e92bad7e595ab04c3e84ebec58286e4b3fd341242cf0d47f7df4a52b36492397",
      "randomness": "0xd27626b306a2f24e71fab485741ebc95f5cd7575a29cca12cb02f1ca954169e7"
    }
  ],
  "blockNumber": "7,413,909"
}

{
  "Sr25519": "0x52947452b9c791aa00d2626f5939165583a10fa434decf381ea7cc1f5336b36261eda01b36eafd5f3a1c5d73421176fac4b0b5384ace17e9ae7508abde45d68e"
}